Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

CW8386 Thermopolis (C8386)

Lat: 43.64283°NLon: 108.227°WElev: 4419.52ft.

NA

45°F

7°C

Humidity 68%
Wind Speed N 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 21 May 07:40 AM MDT
Extended Forecast for

4 Miles SSW East Thermopolis WY

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 48. Breezy, with a light north northeast wind becoming north northwest 13 to 18 mph in the morning. Winds could gust as high as 26 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers and
    Breezy

  • Tonight

    Tonight: A 30 percent chance of showers before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North northwest wind 9 to 14 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 35 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 64. Calm wind becoming east around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. East northeast wind around 6 mph becoming calm  in the evening.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Light and variable wind becoming south 5 to 7 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. South southwest wind 7 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 48. Breezy, with a light north northeast wind becoming north northwest 13 to 18 mph in the morning. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 35. North northwest wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Friday
Mostly sunny, with a high near 64. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 41. East northeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 74. Light and variable wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 48. Light and variable wind becoming south 5 to 7 mph after midnight.
Sunday
Sunny, with a high near 82. South southwest wind 7 to 10 mph.
Sunday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Memorial Day
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 82. Breezy.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW East Thermopolis WY
 43.6°N 108.22°W (Elev. 4495 ft)
6:31 am MDT May 21, 2026
7am MDT May 21, 2026-6pm MDT May 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database